Bottle bag



FIG. 1 is a perspective view of a bottle bag showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a left side elevational view; the opposite side being a mirror image thereof;

FIG. 4 is a rear elevational view; and

FIG. 5, a bottom plan view. 

The ornamental design for a bottle bag, substantially as shown and described. 